<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>

    <style>
        *{
            margin: 0;
            padding: 0;
        }
        .container{
            overflow: hidden;
        }
        .left,.right,.center{
            float: right;
        }

        .left{
            width: 100%;
            height: 100px;
            background-color: red;
            margin-right: -400px;
        }

        .right{
            width: 200px;
            height: 100px;
            background-color: blue;
        }


        .center{
            width: 200px;
            height: 100px;
            background-color: yellow;
        }



    </style>
</head>
<body>
<div class="container">
    <div class="left">left</div>
    <div class="center">center</div>
    <div class="right">right</div>
</div>
</body>
</html>